Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
phuong van » phung van, phong van, phuong lan
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
van than » van thanh, van thang, van tuan
than cao » toan cao, thai cao, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((hanh tang) or (hanh trinh)) cua nhung phuong van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh tang) OR (hanh trinh)) cua nhung phuong van than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh tang) or (hanh trinh)) cua nhung phuong van than cao*.